Sutro tunnel
Subtitle: Remonstrance. to the honorable the Senate and House of representatives of the United States ...
Published: 1871
Place of publication: n.p
Language: eng
Notes: Signed: I.L. Requa, C.C. Batterman, J.G. Fair, T.B. Shamp, E. Patten, T.G. Taylor, W.H. Smith, J. Lambert, J.P. Jones, mine superintendents.

Also available in digital form on the Library of Congress Web site.